Investigators with the State Fire Marshal’s Office charged a New York man with setting fire to an unoccupied building in Vassalboro on Oct. 6. Devaughn James, 23, of Queens, is being held on $100,000 bail in Kennebec County Jail in Augusta. Authorities arrested James on Friday in Chelsea, where he was a passenger in a car that police had stopped, police said. The building that burned was a seasonal camp that had been moved to Whitehouse Road in Vassalboro and was valued at $25,000, police said.